字符分段和加“-”问题
SQL原数据ZHH：201201123456, 2012TAIWAN123456
分段字符DQDM：01, TAIWAN
固定字段：2012 代表年份，到了明年则为2013

要求结果为：2012-01-123456,2012-TAIWAN-123456

[解决办法]

SQL code

--格式固定 前4 后6WITH t AS(    SELECT '201201123456' AS ZHH UNION    SELECT '2012TAIWAN123456')SELECT STUFF(REVERSE(STUFF(REVERSE(ZHH),7,0,'-')),5,0,'-')FROM tGO--前固定,后不固定WITH t AS(    SELECT '201201123456' AS ZHH UNION    SELECT '2012TAIWAN123456')SELECT CASE WHEN CHARINDEX('TAIWAN',ZHH) > 0 THEN REPLACE(ZHH,'TAIWAN','-TAIWAN-')            ELSE STUFF(STUFF(ZHH,5,0,'-'),8,0,'-') END AS ZHHFROM tZHH2012-01-1234562012-TAIWAN-123456
[解决办法]

SQL code
SELECT CASE WHEN CHARINDEX('TAIWAN',ZHH) > 0  THEN REPLACE(ZHH,'TAIWAN','-TAIWAN-') ELSE STUFF(STUFF(ZHH,5,0,'-'),8,0,'-') END AS ZHHFROM TB
[解决办法]
SQL code
DECLARE @t TABLE    (      G_ZHH VARCHAR(50) ,      DQDM VARCHAR(10)    )      INSERT  @t        SELECT  '201201123456' ,                '01'        UNION ALL        SELECT  '2012TAIWAN123456' ,                'TAIWAN'        UNION ALL        SELECT  '2012NL1234' ,                'NL'        UNION ALL        SELECT  '2012AU12345' ,                'AU'        UNION ALL        SELECT  '2012221234567' ,                '22'        SELECT  * ,        [OUTPUT] = STUFF(STUFF(G_ZHH, CHARINDEX(DQDM, G_ZHH, 5), 0, '-'),                         CHARINDEX(DQDM, G_ZHH, 5) + LEN(DQDM) + 1, 0, '-')FROM    @t  /*  G_ZHH                                              DQDM       OUTPUT-------------------------------------------------- ---------- ----------------------------------------------------------------------------------------------------------------201201123456                                       01         2012-01-1234562012TAIWAN123456                                   TAIWAN     2012-TAIWAN-1234562012NL1234                                         NL         2012-NL-12342012AU12345                                        AU         2012-AU-123452012221234567                                      22         2012-22-1234567(5 行受影响)  */